{"id":10568,"date":"2026-09-28T10:52:04","date_gmt":"2026-09-28T01:52:04","guid":{"rendered":"https:\/\/jg7sfr.mydns.jp\/?p=10568"},"modified":"2026-09-28T10:52:39","modified_gmt":"2026-09-28T01:52:39","slug":"%e3%82%b9%e3%83%88%e3%83%ac%e3%83%bc%e3%83%88%e3%82%a8%e3%83%83%e3%82%b8","status":"publish","type":"post","link":"https:\/\/jg7sfr.mydns.jp\/?p=10568","title":{"rendered":"\u30b9\u30c8\u30ec\u30fc\u30c8\u30a8\u30c3\u30b8\u306e\u4fdd\u7ba1\u306b\u3064\u3044\u3066"},"content":{"rendered":"\n

\u30a8\u30f3\u30b8\u30f3\u306e\u30b7\u30ea\u30f3\u30c0\u30d6\u30ed\u30c3\u30af\u72b6\u9762\u306e\u5e73\u9762\u5ea6\u3092\u8abf\u3079\u308b\u305f\u3081\u3001\u30b9\u30c8\u30ec\u30fc\u30c8\u30a8\u30c3\u30b8\u3092\u3046\u3048\u306b\u4e57\u305b\u3001\u30b7\u30c3\u30af\u30cd\u30b9\u30b2\u30fc\u30b8\u3092\u30b7\u30ea\u30f3\u30c0\u4e0a\u9762\u3068\u30b9\u30c8\u30ec\u30fc\u30c8\u30a8\u30c3\u30b8\u306e\u9699\u9593\u306b\u633f\u3057\u8fbc\u307f\u3001\u305d\u306e\u539a\u3055\u3067\u5e73\u9762\u5ea6\u306e\u91cf\u3092\u8abf\u3079\u307e\u3059\u3002

\u5b89\u4fa1\u306a\u30b9\u30c8\u30ec\u30fc\u30c8\u30a8\u30c3\u30b8\u3082\u58f2\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u9ad8\u4fa1\u306a\u3082\u306e\u306f\u3068\u3066\u3082\u51fa\u304c\u51fa\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u8003\u3048\u305f\u306e\u304c\u3001\u7cbe\u5bc6\u6c34\u6e96\u5668\u3002\u92f3\u7269\u88fd\u3002\u5168\u9577455mm\u3067ASAHI\u3068\u66f8\u304b\u308c\u3066\u3044\u308b\u7269\u3002\u30b1\u30fc\u30b9\u7121\u3057\u306a\u306e\u3067\u3001\u4fdd\u7ba1\u306e\u4ed5\u65b9\u3092\u3069\u3046\u3059\u308b\u3079\u304d\u304b\u8003\u3048\u3066\u3002\u6e2c\u5b9a\u3059\u308b\u4e0b\u9762\u306e\u652f\u6301\u65b9\u6cd5\u3092\u3069\u3046\u3059\u308b\u3079\u304d\u304b\u3002\u8907\u6570\u306a\u306e\u304b\u30d9\u30bf\u306a\u306e\u304b\u3002\u305d\u3053\u3067\u898b\u3064\u3051\u305f\u306e\u304c2\u70b9\u652f\u6301

\u30a8\u30a2\u30ea\u30fc\u70b9\u3000\u4e21\u7aef\u306e\u5e73\u884c\u5ea6\u3092\u4fdd\u3064
\u30002\u70b9\u9593\u306e\u8ddd\u96e2\u3092S\u3068\u3059\u308b\u3068\u3000s = L\/3^-3 \u2252 0.57735
\u3000\u4e21\u7aef\u304b\u3089\u306e\u8ddd\u96e2\u306f(1-0.57735)\/2 = 0.211325
\u3000\u305d\u308c\u305e\u308c\u306e\u7aef\u304b\u308921.1%\u306e\u4f4d\u7f6e\u304c\u30a8\u30a2\u30ea\u30fc\u70b9\u3068\u306a\u308a\u307e\u3059\u3002

\u30d9\u30c3\u30bb\u30eb\u70b9\u3000\u4e2d\u592e\u306e\u305f\u308f\u307f\u6700\u5c0f\u5316
\u3000X^4 – 40X^3 + 70X^2 – 15 = 0\u3000\u3053\u308c\u3092\u89e3\u304f\u3068\u3001X \u2252 0.55938\u3002
\u3000\u5168\u9577\u306b\u5bfe\u3057\u3066\u306a\u306e\u3067\u30012\u70b9\u652f\u6301\u306e\u4e21\u7aef\u304b\u3089\u306e\u8ddd\u96e2\u306f(1-0.55938)\/2=0.22031
\u3000\u305d\u308c\u305e\u308c\u306e\u7aef\u304b\u308922%\u306e\u4f4d\u7f6e\u304c\u30d9\u30c3\u30bb\u30eb\u70b9\u3068\u306a\u308a\u307e\u3059\u3002

\u305f\u308f\u307f\u3092\u7b49\u3057\u304f\u3059\u308b\u70b9\u3000\u4e2d\u592e\u3068\u4e21\u7aef\u306e\u305f\u308f\u307f\u91cf\u3092\u7b49\u3057\u304f
\u3000\u4e2d\u592e\u3067\u306e\u305f\u308f\u307f\u306f\u3000\u03b4center = wl^2\/(384I)*(5l^2 – 24a^2)
\u3000\u7aef\u3067\u306e\u305f\u308f\u307f\u306f\u3000\u3000\u03b4end = wa\/24I* (3a^3 + l^3 – 6a^2*l)
\u3000wl^2\/(384I)*(5l^2 – 24a^2) = wa\/24I* (3a^3 + l^3 – 6a^2*l)
\u3000\u3053\u308c\u3092\u8a08\u7b97\u3059\u308b\u3068\u30012\u70b9\u9593\u306e\u8ddd\u96e2\u306f0.5536\u3068\u306a\u308a\u3001\u4e21\u7aef\u304b\u3089\u306e\u8ddd\u96e2\u306f(1-0.5536)\/2=0.2232
\u3000\u305d\u308c\u305e\u308c\u306e\u7aef\u304b\u308922.3%\u306e\u4f4d\u7f6e\u304c\u305f\u308f\u307f\u3092\u7b49\u3057\u304f\u3059\u308b\u70b9\u3068\u306a\u308a\u307e\u3059\u3002
\u3000<\/p>\n","protected":false},"excerpt":{"rendered":"

\u30a8\u30f3\u30b8\u30f3\u306e\u30b7\u30ea\u30f3\u30c0\u30d6\u30ed\u30c3\u30af\u72b6\u9762\u306e\u5e73\u9762\u5ea6\u3092\u8abf\u3079\u308b\u305f\u3081\u3001\u30b9\u30c8\u30ec\u30fc\u30c8\u30a8\u30c3\u30b8\u3092\u3046\u3048\u306b\u4e57\u305b\u3001\u30b7\u30c3\u30af\u30cd\u30b9\u30b2\u30fc\u30b8\u3092\u30b7\u30ea\u30f3\u30c0\u4e0a\u9762\u3068\u30b9\u30c8\u30ec\u30fc\u30c8\u30a8\u30c3\u30b8\u306e\u9699\u9593\u306b\u633f\u3057\u8fbc\u307f\u3001\u305d\u306e\u539a\u3055\u3067\u5e73\u9762\u5ea6\u306e\u91cf\u3092\u8abf\u3079\u307e\u3059\u3002 \u5b89\u4fa1\u306a\u30b9\u30c8\u30ec\u30fc\u30c8\u30a8\u30c3\u30b8\u3082\u58f2\u3089\u308c\u3066\u3044\u307e\u3059…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"image","meta":{"footnotes":""},"categories":[955],"tags":[1484,1487,1483,1486,1485],"class_list":["post-10568","post","type-post","status-publish","format-image","hentry","category-zzr1100","tag-1484","tag-1487","tag-1483","tag-1486","tag-1485","post_format-post-format-image"],"_links":{"self":[{"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=\/wp\/v2\/posts\/10568","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10568"}],"version-history":[{"count":2,"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=\/wp\/v2\/posts\/10568\/revisions"}],"predecessor-version":[{"id":10570,"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=\/wp\/v2\/posts\/10568\/revisions\/10570"}],"wp:attachment":[{"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10568"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10568"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}